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Old 09-27-2012, 10:23 AM   #1
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TO PRIME OR NOT TO PRIME that is the question


Here are some of the things I go by for primer please add yours. There are basically 3 types of primer oil based, water based, and shellac based.
For solvent based stains like crayon, grease, ink, and scuff marks use water based (have tinted)
For water based stains and oder like rust, smoke, nicotine, or tannins (in certain woods like cedar) use oil based.
For heavy stains (such as water stains) knots, spot prime with shellac based
Oil based are better at sealing nail heads and blocking tannins than water based
Water based doesn't perform well on weathered or damaged wood and they don't block the tannins in redwood or cedar.
High moisture areas ,such as bathrooms, kitchens, or laundry rooms use a stain blocking primer then a mildew resistant topcoat.
On fiberglass and PVC trim use SW Adhesive primer (SW because they are the only ones I know that make it) Before priming you must wipe these materials with denatured alcohol to remove the manufacturing oils.
On repaired walls cover everything from dabs of spackle to broad patches of joint compound with drywall primer
For MDF use an oil based primer unless it comes pre primed
Paint with in 48 hours or re-prime
This is just some of my personal ways I do primer I,m sure there will be more added and some disagreements as there should be.
I hope this post and the following ones will help answer a few questions about priming.I feel, if in doubt prime, it is pretty cheap insurance. If you have questions go to your local PAINT store they can answer them for you.

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Old 09-27-2012, 05:52 PM   #2
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TO PRIME OR NOT TO PRIME that is the question


Just to much to argue about ,I am not in the mood. Generally speaking it is all OK
The best part is going to a REAL paint store and getting all the free info you need.
As brush would and will say primers are problem solvers and which one , where and when to use ,might differ from one wall to another.

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Old 09-27-2012, 05:59 PM   #3
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TO PRIME OR NOT TO PRIME that is the question


I agree. You skipped too much, oversimplified, and I do not want an argument about it.
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Old 09-28-2012, 08:38 AM   #4
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TO PRIME OR NOT TO PRIME that is the question


Wow didn't want to argue just some of the guidelines I use and i purposely tried to keep it simple. Thought you would add your own suggestions.There seemed to be so many questions on primer this might be a starting point to answer some. Bad idea I guess.
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Old 09-28-2012, 09:04 AM   #5
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TO PRIME OR NOT TO PRIME that is the question


I was not trying to temper your enthusiasm but a generalized discussion about primers would just be futile. There are so many specific situations and sealers/primers/underlays to match them that it is most helpful to approach things on a case by case basis.

And not to be overly cynical but posters to this forum do not exactly "overuse" the search engine so the odds of them ever finding this thread once it moves to page two or deeper is minimal. Or if they do they will still have a "yeah but my situation is a little different" sort of question whether there is a difference or not.
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Old 09-28-2012, 05:19 PM   #6
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TO PRIME OR NOT TO PRIME that is the question


When you say primers, you are really saying problem solvers.
Know your problem and match the primer to it.
There- I've said it~ !!
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Old 09-28-2012, 05:44 PM   #7
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TO PRIME OR NOT TO PRIME that is the question


Quote:
Originally Posted by Brushjockey View Post
When you say primers, you are really saying problem solvers.
Know your problem and match the primer to it.
There- I've said it~ !!
I knew you would
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Old 09-29-2012, 08:57 AM   #8
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TO PRIME OR NOT TO PRIME that is the question


Quote:
Originally Posted by Brushjockey View Post
When you say primers, you are really saying problem solvers.
Know your problem and match the primer to it.
There- I've said it~ !!
Or insurance

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